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'Process Doppelgänging' Helps Malware Evade Detection

Researchers at enSilo have identified a new method that can be used by hackers to execute a piece of malware on any supported version of Windows without being detected by security products.

The new technique, dubbed “Process Doppelgänging,” is similar to process hollowing, a code injection method that involves spawning a new instance of a legitimate process and replacing the legitimate code with malicious one. This technique has been used by threat actors for several years and security products are capable of detecting it.

enSilo says it has now come up with a similar but more efficient method for executing malicious code, including ransomware and other types of threats, in the context of a legitimate process. Process Doppelgänging abuses the Windows loader to execute code without actually writing it to the disk, which makes it more difficult to detect an attack.

According to researchers, when Process Doppelganging is used, the malicious code is correctly mapped to a file...(continued)

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